8da6ee120b4c46531a4daa180bb5df3964e817407e941c8cc6aeffbab923ef38

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2023 14:48

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General

Target

Serv-U/ServUTray.exe
Size

64KB
MD5

cacb65942b401c7ae03b357288432002
SHA1

04d1f70dcc7f8077e0f97b0f77adb27f76d8fa53
SHA256

fe4376c5e29c31f39390dedef8722af2d394e9104419ec65e6947b9f8c0bdf3e
SHA512

3c77c0238fcd9774945ca482a507d2ed92d6b8e14e398318dc994b46867d4f6e52712ed91f61bd109a5a337974674d8bf7c0ed5fdbc9b20a260af2c3117257fe
SSDEEP

1536:DDR5D8dF2vc+tojgXBk13NB7N29R0rzj6FDL:Dz84toCBawgjkDL

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ServUTrayIcon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Serv-U\\ServUTray.exe"	ServUTray.exe

Suspicious use of AdjustPrivilegeToken 30 IoCs

description	pid	Process
Token: 33	4152	ServUTray.exe
Token: SeIncBasePriorityPrivilege	4152	ServUTray.exe
Token: 33	4152	ServUTray.exe
Token: SeIncBasePriorityPrivilege	4152	ServUTray.exe
Token: 33	4152	ServUTray.exe
Token: SeIncBasePriorityPrivilege	4152	ServUTray.exe
Token: 33	4152	ServUTray.exe
Token: SeIncBasePriorityPrivilege	4152	ServUTray.exe
Token: 33	4152	ServUTray.exe
Token: SeIncBasePriorityPrivilege	4152	ServUTray.exe
Token: 33	4152	ServUTray.exe
Token: SeIncBasePriorityPrivilege	4152	ServUTray.exe
Token: 33	4152	ServUTray.exe
Token: SeIncBasePriorityPrivilege	4152	ServUTray.exe
Token: 33	4152	ServUTray.exe
Token: SeIncBasePriorityPrivilege	4152	ServUTray.exe
Token: 33	4152	ServUTray.exe
Token: SeIncBasePriorityPrivilege	4152	ServUTray.exe
Token: 33	4152	ServUTray.exe
Token: SeIncBasePriorityPrivilege	4152	ServUTray.exe
Token: 33	4152	ServUTray.exe
Token: SeIncBasePriorityPrivilege	4152	ServUTray.exe
Token: 33	4152	ServUTray.exe
Token: SeIncBasePriorityPrivilege	4152	ServUTray.exe
Token: 33	4152	ServUTray.exe
Token: SeIncBasePriorityPrivilege	4152	ServUTray.exe
Token: 33	4152	ServUTray.exe
Token: SeIncBasePriorityPrivilege	4152	ServUTray.exe
Token: 33	4152	ServUTray.exe
Token: SeIncBasePriorityPrivilege	4152	ServUTray.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4152	ServUTray.exe
4152	ServUTray.exe
4152	ServUTray.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4152	ServUTray.exe
4152	ServUTray.exe
4152	ServUTray.exe

C:\Users\Admin\AppData\Local\Temp\Serv-U\ServUTray.exe
"C:\Users\Admin\AppData\Local\Temp\Serv-U\ServUTray.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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